I’m just back from IPP38 and this year I participated in the Puzzle Exchange. I’m still kind of reeling at the fact that I came home with two boxes stuffed with great puzzles. Seventy-eight of us swapped puzzles with each other and there are some truly beautiful and ingenious puzzles in there. My exchange puzzle was a sliding block puzzle which is a new genre for me. Here’s a picture of it: One thing that’s […]